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XTX Topco’s DexCom DXCM Stock Holding History

XTX Topco’s Portfolio DXCM Stock Details DXCM Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$6.77M Buy
100,522
+57,084
+131% +$3.8M 0.09% 248
2026
Q1 		$2.73M Buy
43,438
+21,108
+95% +$1.47M 0.05% 617
2025
Q4 		$1.48M Sell
22,330
-32,803
-59% -$2.12M 0.04% 751
2025
Q3 		$3.71M Buy
55,133
+44,555
+421% +$3.53M 0.19% 68
2025
Q2 		$923K Sell
10,578
-10,574
-50% -$829K 0.04% 714
2025
Q1 		$1.44M Buy
21,152
+11,136
+111% +$909K 0.07% 374
2024
Q4 		$779K Sell
10,016
-19,088
-66% -$1.41M 0.06% 444
2024
Q3 		$1.95M Buy
+29,104
New +$2.39M 0.14% 154
2024
Q2 		– Sell
-4,453
Closed -$618K – 2006
2024
Q1 		$618K Buy
+4,453
New +$560K 0.08% 361
2023
Q4 		– Sell
-6,447
Closed -$602K – 1712
2023
Q3 		$602K Buy
6,447
+1,864
+41% +$210K 0.1% 293
2023
Q2 		$589K Sell
4,583
-1,544
-25% -$187K 0.11% 277
2023
Q1 		$712K Sell
6,127
-2,788
-31% -$312K 0.15% 129
2022
Q4 		$1.01M Sell
8,915
-3,397
-28% -$373K 0.21% 84
2022
Q3 		$992K Buy
12,312
+4,948
+67% +$419K 0.25% 51
2022
Q2 		$549K Sell
7,364
-1,248
-14% -$114K 0.22% 99
2022
Q1 		$1.1M Buy
8,612
+6,896
+402% +$754K 0.48% 27
2021
Q4 		$230K Buy
+1,716
New +$247K 0.13% 308
2021
Q2 		– Sell
-7,960
Closed -$715K – 868
2021
Q1 		$715K Buy
+7,960
New +$747K 0.35% 32

Other funds holding DXCM

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.26T AUM 61.52% 1-Year Est. Return
Baillie Gifford & Co
Baillie Gifford & Co Edinburgh, United Kingdom $110B AUM 4.8% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
UBS AM
UBS AM Chicago, Illinois $550B AUM 43.33% 1-Year Est. Return
AllianceBernstein
AllianceBernstein Nashville, Tennessee $302B AUM 26.44% 1-Year Est. Return
Wellington Management Group
Wellington Management Group Boston, Massachusetts $580B AUM 38.23% 1-Year Est. Return

XTX Topco's DXCM Position: Q2 2026 in Review

XTX Topco increased its DexCom (DXCM) stake by 131% in Q2 2026, buying an estimated $3.8M and bringing the position to 100,522 shares worth $6.77M. The position accounts for 0.09% of the portfolio, ranked #248.

XTX Topco first reported a position in DXCM in Q1 2021 and has held it in 18 quarters since. 973 funds tracked by Wall St. Rank hold DXCM as of Q2 2026.

  • XTX Topco held 100,522 shares of DexCom worth $6.77M as of Q2 2026.
  • XTX Topco bought 57,084 DexCom shares in Q2 2026, an estimated $3.8M.
  • DexCom made up 0.09% of XTX Topco's portfolio in Q2 2026, its #248 holding.
  • XTX Topco first reported a position in DexCom in Q1 2021 and has held it in 18 quarters since.
  • 973 funds tracked by Wall St. Rank held DexCom as of Q2 2026.

Based on XTX Topco's 13F filing for Q2 2026, filed 14 Aug 2026.